Home / 1,438,042.77-1,984,540.56-793,504.47

Finding the Fourth Proportional to 1,438,042.77, 1,984,540.56 and 793,504.47

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Solution

The fourth proportional to 1,438,042.77, 1,984,540.56 and 793,504.47 is: 1,095,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,042.77 : 1,984,540.56 = 793,504.47 : x
  2. Step 2: Convert to fraction form
    1,438,042.77/1,984,540.56 = 793,504.47/x
  3. Step 3: Cross multiply
    1,438,042.77x = 1,984,540.56 × 793,504.47
  4. Step 4: Simplify right side
    1,438,042.77x = 1,574,741,805,256.30
  5. Step 5: Solve for x
    x = 1,574,741,805,256.30/1,438,042.77
  6. Step 6: Final answer
    x = 1,095,059.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.